Home / 402,116,379.67-603,188,176.95-107,011,790.24

Finding the Fourth Proportional to 402,116,379.67, 603,188,176.95 and 107,011,790.24

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Solution

The fourth proportional to 402,116,379.67, 603,188,176.95 and 107,011,790.24 is: 160,521,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,116,379.67 : 603,188,176.95 = 107,011,790.24 : x
  2. Step 2: Convert to fraction form
    402,116,379.67/603,188,176.95 = 107,011,790.24/x
  3. Step 3: Cross multiply
    402,116,379.67x = 603,188,176.95 × 107,011,790.24
  4. Step 4: Simplify right side
    402,116,379.67x = 64,548,246,664,005,464
  5. Step 5: Solve for x
    x = 64,548,246,664,005,464/402,116,379.67
  6. Step 6: Final answer
    x = 160,521,306.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.